Oersted

(noun.) Danish physicist (1777-1851).

(noun.) the magnetic field strength 1 cm from a unit magnetic pole.

詹森录入

• Since Oersted’s first electric magnet in 1820, electric magnets have been made in a variety of forms and for many different purposes. 佚名. 神奇的知识之书.
• It has been said that although Oersted was the discoverer of electro-magnetism and Ampère its expounder, Faraday made the science of magnets electrically what it is at the present day. 威廉·亨利·杜利特. 世纪发明.
• Oersted, in 1827, preceded him with important preliminary steps, and Deville, in 1854, followed in the first commercial applications. Edward W. Byrn. 十九世纪发明进展.
• The galvanic influence on a magnetic needle by Romagnosi (1802) Oersted (1820). 威廉·亨利·杜利特. 世纪发明.
• Electro-magnetism, the underlying principle of the electro-magnet, was first discovered in 1819 by Prof. Oersted, of Copenhagen. Edward W. Byrn. 十九世纪发明进展.
• Electro-Magnetism discovered by Oersted of Copenhagen. Edward W. Byrn. 十九世纪发明进展.

整理:塔尼娅